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 $FBA6/64422:   Send Tone to Tape

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FBA6: A5 BD     <A HREF="BLDA.HTM">LDA</A> <A HREF="ZPBD.HTM">$BD</A>       ; RS232 Output Parity/Tape Byte temporary
FBA8: 4A        <A HREF="BLSR.HTM">LSR</A>
FBA9: A9 60     <A HREF="BLDA.HTM">LDA</A> #$60
FBAB: 90 02     <A HREF="BBCC.HTM">BCC</A> $FBAF

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FBAD: A9 B0     <A HREF="BLDA.HTM">LDA</A> #$B0

Jump from $FBAB, <A HREF="ROMFC57.HTM">$FC6C</A>:

FBAF: A2 00     <A HREF="BLDX.HTM">LDX</A> #$00

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FBB1: 8D 06 DC  <A HREF="BSTA.HTM">STA</A> <A HREF="CIA16.HTM">$DC06</A>     ; CIA1: Timer B Low-Byte  (Tape, Serial Port)
FBB4: 8E 07 DC  <A HREF="BSTX.HTM">STX</A> <A HREF="CIA17.HTM">$DC07</A>     ; CIA1: Timer B High-Byte (Tape, Serial Port)
FBB7: AD 0D DC  <A HREF="BLDA.HTM">LDA</A> <A HREF="CIA113.HTM">$DC0D</A>     ; CIA1: Interrupt (IRQ) Control Register
FBBA: A9 19     <A HREF="BLDA.HTM">LDA</A> #$19
FBBC: 8D 0F DC  <A HREF="BSTA.HTM">STA</A> <A HREF="CIA115.HTM">$DC0F</A>     ; CIA1: Control Register B
FBBF: A5 01     <A HREF="BLDA.HTM">LDA</A> <A HREF="ZP01.HTM">$01</A>       ; 6510 On-chip 8-bit Input/Output Register
FBC1: 49 08     <A HREF="BEOR.HTM">EOR</A> #$08
FBC3: 85 01     <A HREF="BSTA.HTM">STA</A> <A HREF="ZP01.HTM">$01</A>       ; 6510 On-chip 8-bit Input/Output Register
FBC5: 29 08     <A HREF="BAND.HTM">AND</A> #$08
FBC7: 60        <A HREF="BRTS.HTM">RTS</A>

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